くずkuzusu
1.

To gradually break apart something that was previously solid or compact, such as a mountain or structure, by chipping away at its edges.

2.

To disrupt or dismantle an orderly arrangement, causing confusion or disorder, such as breaking a line or disrupting a proper posture.

3.

To simplify and write characters in a more casual or less formal style, as in the case of cursive scripts.

4.

To exchange a high denomination of currency for smaller bills or coins, thus dividing the monetary value into smaller units.

5.

To speak or convey thoughts in a disjointed manner, often progressing slowly by discussing small parts at a time.

Example:

1000円札をくずしていただけませんか。

kiriくずkuzusu
1.

To alter the shape of an object or terrain by cutting or chipping away at it, resulting in a flatter or more manageable surface.

2.

To weaken an opponent's defenses or unity through aggressive action, thereby diminishing their strength or cohesion.

mochiくずkuzusu
1.

To disturb a stable state, often leading to a decline in personal conduct or lifestyle, such as becoming overly indulgent in drinks or relationships.

2.

To exhaust one's financial resources or assets through mismanagement or excessive spending, ultimately leading to a precarious situation.

3.

To compromise one's self-discipline or moral integrity, resulting in a degradation of one's character or behavior.

Example:

酒で彼は身を持ち崩した。

toriくずkuzusu
1.

To dismantle or break down a structure, often by removing it from its foundation or base, rendering it no longer usable.

2.

To reallocate or transfer a specific amount from a reserve or accumulated funds to cover other expenses, typically in a financial or economic context.

3.

To gradually extract or withdraw a portion from a larger, consolidated source, such as savings or deposits.

Example:

クリントン陣営は、両州でオバマが取った白人票を取り崩そうと必死になった。